cfg80211: Add new BSS attribute ht_opmode
Add a new BSS attribute to allow hostapd to set the current HT opmode. Otherwise drivers won't be able to set up protection for HT rates in AP mode. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -849,6 +849,8 @@ enum nl80211_commands {
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* flag isn't set, the frame will be rejected. This is also used as an
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* nl80211 capability flag.
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*
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* @NL80211_ATTR_BSS_HTOPMODE: HT operation mode (u16)
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*
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* @NL80211_ATTR_MAX: highest attribute number currently defined
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* @__NL80211_ATTR_AFTER_LAST: internal use
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*/
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@ -1025,6 +1027,8 @@ enum nl80211_attrs {
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NL80211_ATTR_OFFCHANNEL_TX_OK,
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NL80211_ATTR_BSS_HT_OPMODE,
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/* add attributes here, update the policy in nl80211.c */
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__NL80211_ATTR_AFTER_LAST,
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@ -605,6 +605,8 @@ struct mpath_info {
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* (or NULL for no change)
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* @basic_rates_len: number of basic rates
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* @ap_isolate: do not forward packets between connected stations
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* @ht_opmode: HT Operation mode
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* (u16 = opmode, -1 = do not change)
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*/
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struct bss_parameters {
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int use_cts_prot;
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@ -613,6 +615,7 @@ struct bss_parameters {
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u8 *basic_rates;
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u8 basic_rates_len;
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int ap_isolate;
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int ht_opmode;
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};
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/*
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@ -121,6 +121,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
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[NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
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[NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
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.len = NL80211_MAX_SUPP_RATES },
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[NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
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[NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED },
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@ -2462,6 +2463,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
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params.use_short_preamble = -1;
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params.use_short_slot_time = -1;
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params.ap_isolate = -1;
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params.ht_opmode = -1;
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if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
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params.use_cts_prot =
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@ -2480,6 +2482,9 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
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}
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if (info->attrs[NL80211_ATTR_AP_ISOLATE])
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params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
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if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
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params.ht_opmode =
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nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
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if (!rdev->ops->change_bss)
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return -EOPNOTSUPP;
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